The vertical SunPower PV wall avoided designing around limited roof space in favor of the building’s south-facing four-story façade. The 37kW system is expected to perform best in the the winter — unlike most PV installations, which typically generate more power during the summer.

Maybe your workplace has installed a solar roof, or your local sports ground generates electricity from players’ movement. Perhaps you live in Melbourne, where trams are set to become solar-powered in a bid to reduce the city’s greenhouse gas emissions? Big, small, whacky, functional – we want to see what’s happening in the cities where you live.